Were should i put the order mail?

[Tobban]

Hi there.
I doing a little registration form.
But i dont now were i going to type in my e-post.
Were and what code should i use

This is code:

<script type="text/javascript">
function skicka()
{
	var start = true;
	var fnamn = document.getElementById('fnamn').value;
		if( document.getElementById('fnamn').value=="")
			{
				alert('Förnamn saknas!');
				document.getElementById('fnamn').select();
				return false;
			}

	var enamn = document.getElementById('enamn').value;
		if( document.getElementById('enamn').value=="")
			{
				alert('Efternamn saknas!');
				document.getElementById('enamn').select();
				return false;
			}
}

</script>

and here is button code:

<div  class="knapp" onclick="skicka()">Skicka uppgift</div>

Thanks for helping!